<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="index.css">
</head>
<body>
    <ul>
        <li><input class="active" id="lineBtn" type="button" value="线条" /></li>
        <li><input id="rectBtn" type="button" value="矩形" /></li>
        <li><input id="circleBtn" type="button" value="圆形" /></li>
        <li><input id="fillBtn" type="button" value="填充" /></li>
        <li><input id="rubberBtn" type="button" value="橡皮擦" /></li>
        <li class="split"></li>
        <li>
            <select id="boldBtn">
                <option>1</option>
                <option>2</option>
                <option>4</option>
                <option>8</option>
            </select>
        </li>
        <li><input id="colorBtn" type="color"/></li>
        <li><input id="clearBtn" type="button" value="清空画布" /></li>
        <li><input id="saveBtn" type="button" value="保存图片" /></li>
    </ul>
    <div>
        <canvas id="canvas1"></canvas>
        <canvas id="canvas2"></canvas>
    </div>
    <script src="index.js"></script>
</body>
</html>